# Reordering Categories Produces Error 422

**URL:** <https://meta.discourse.org/t/reordering-categories-produces-error-422/129948>\
**Category:** Bug\
**Created:** [October 1, 2019, 12:54pm UTC](https://meta.discourse.org/t/reordering-categories-produces-error-422/129948 "2019-10-01T12:54:07Z")\
**Posts on this page:** 1\
**Showing post:** 12

<div class="post-metadata">

**Author:** ![Taunusbahner](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/taunusbahner/32/125050_2.png) [@Taunusbahner](https://meta.discourse.org/u/Taunusbahner)\
**Post date:** [December 29, 2019, 3:39pm UTC](https://meta.discourse.org/t/reordering-categories-produces-error-422/129948/12 "2019-12-29T15:39:14Z")

</div>

Today I have rechecked the Error but I’ve found no solution.

Discourse Version: 2.4.0.beta9  
Installed Plugins:

```
||Name|Version|Activated?||
| --- | --- | --- | --- | --- |
||[discourse-chat-integration](https://github.com/discourse/discourse-chat-integration)|0.1|J||

[discourse-formatting-toolbar](https://github.com/iunctis/discourse-formatting-toolbar.git) 3.2 J

[discourse-merge-users](https://github.com/curiousdannii/discourse-merge-users) 0.1.0 J
[discourse-mlm-daily-summary](https://www.github.com/joebuhlig/discourse-mlm-daily-summary) 0.1 J

[discourse-telegram-notifications](https://github.com/davidtaylorhq/discourse-telegram-notifications) 0.1 J

[discourse-translator](https://github.com/tgxworld/discourse-translator) 0.2.0 N

[discourse-whos-online](https://github.com/davidtaylorhq/discourse-whos-online) 1.0 J

[docker_manager](https://github.com/discourse/docker_manager) 0.1 J

```

In the logs are only these Errors.

> Error: No Reason Phrase Url: [https://forum](https://forum)… assets/ember\_jquery-c2cca4a19fd4c70eabc95b010a6d7643955ec2a2251aeb1d70f625773eebea21.js Line: 1 Column: 262166 Window Location: [https://forum](https://forum).

> ActiveRecord::RecordInvalid (Validation failed: slug is invalid) /var/www/discourse/vendor/bundle/ruby/2.6.0/gems/activerecord-6.0.1/lib/active\_record/validations.rb:81:in `raise\_validation\_er

> Failed to handle exception in exception app middleware :Validation failed: slug is invalid

---

_[View the full topic](https://meta.discourse.org/t/reordering-categories-produces-error-422/129948)._